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2021
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Invention
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Drilling apparatus and phc pipe cased pile, and method of drilling with phc pipe cased pile. Prov... |
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2020
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Invention
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Construction method for pouring concrete in karst cave. The present application discloses a const... |
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Invention
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Construction method for foundation pit support utilizing prefabricated large-diameter pipe pile. ... |
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2019
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Invention
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Pile integrity detection system based on cross-hole sonic logging method. Provided is a pile inte... |
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Invention
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Data transmission system of safety patrol on construction project site based on “internet plus”. ... |
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2014
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Invention
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Quick coupling for pipe pile. The present invention relates to a quick coupling for pipe pile, co... |
